598
FZUS54 KHGX 010638
CWFHGX
COASTAL WATERS FORECAST FOR TEXAS
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
138 AM CDT FRI MAY 1 2026
UPPER TEXAS COASTAL WATERS FROM HIGH ISLAND TO THE MATAGORDA SHIP
CHANNEL OUT 60 NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA
BAYS.
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST
1/3 OF THE WAVES...ALONG WITH THE OCCASIONAL HEIGHT OF THE
AVERAGE HIGHEST 10 PERCENT OF THE WAVES.
GMZ300-011930-
138 AM CDT FRI MAY 1 2026
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM
INCLUDING GALVESTON AND MATAGORDA BAYS.
GUSTY NORTHEAST WINDS OVERNIGHT WILL INCREASE FURTHER BY FRIDAY
AFTERNOON. BAY WATERS WILL BECOME INCREASINGLY ROUGH WHILE GULF
SEAS BUILD. THE MOST HAZARDOUS CONDITIONS ARE EXPECTED TO OCCUR
FRIDAY NIGHT INTO SATURDAY, WHEN GUSTS OVER 40 KNOTS AND OFFSHORE
SEAS OVER 10 FEET ARE EXPECTED. IN ADDITION, THERE WILL BE SHOWERS
AND THUNDERSTORMS THROUGH FRIDAY EVENING. A FEW STRONGER
THUNDERSTORMS WILL BE CAPABLE OF LOCALLY HIGHER WINDS AND SEAS
ALONG WITH THE POTENTIAL FOR HAIL AND WATERSPOUTS. CONDITIONS
SHOULD BEGIN TO SLOWLY IMPROVE SATURDAY AFTERNOON AND EVENING.
LIGHT TO MODERATE ONSHORE FLOW RETURNS BY LATE SUNDAY INTO MONDAY.
GMZ335-011930-
GALVESTON BAY-
138 AM CDT FRI MAY 1 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TONIGHT
EAST TO NORTHEAST WINDS AROUND 20 KNOTS WITH
GUSTS UP TO 25 KNOTS. BAY WATERS CHOPPY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY
NORTHEAST WINDS AROUND 20 KNOTS, INCREASING TO 20 TO
25 KNOTS IN THE AFTERNOON WITH GUSTS TO 30 KNOTS. BAY WATERS
CHOPPY, INCREASING TO ROUGH IN THE AFTERNOON. SHOWERS AND
THUNDERSTORMS EXPECTED.
FRIDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS WITH GUSTS UP TO
40 KNOTS. BAY WATERS VERY ROUGH. SHOWERS WITH A CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
SATURDAY
NORTH WINDS 20 TO 25 KNOTS, DIMINISHING TO AROUND
20 KNOTS IN THE AFTERNOON. BAY WATERS ROUGH, DIMINISHING TO
CHOPPY IN THE AFTERNOON.
SATURDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, BECOMING NORTHEAST AROUND 10 KNOTS AFTER MIDNIGHT. BAY
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. BAY WATERS SMOOTH.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.
MONDAY
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO
SLIGHTLY CHOPPY IN THE AFTERNOON.
MONDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
TUESDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
GMZ330-011930-
MATAGORDA BAY-
138 AM CDT FRI MAY 1 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TONIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
25 KNOTS. BAY WATERS SLIGHTLY CHOPPY. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY
EAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
BAY WATERS CHOPPY. SHOWERS AND THUNDERSTORMS EXPECTED.
FRIDAY NIGHT
NORTH WINDS AROUND 30 KNOTS. BAY WATERS VERY
ROUGH. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE EVENING.
SATURDAY
NORTH WINDS 20 TO 25 KNOTS, DIMINISHING TO AROUND
20 KNOTS IN THE AFTERNOON. BAY WATERS ROUGH, DIMINISHING TO
CHOPPY IN THE AFTERNOON.
SATURDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, BECOMING NORTHEAST AROUND 10 KNOTS AFTER MIDNIGHT. BAY
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. BAY WATERS SMOOTH.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. BAY WATERS
SMOOTH TO SLIGHTLY CHOPPY.
MONDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.
MONDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY
CHOPPY.
GMZ355-011930-
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-
138 AM CDT FRI MAY 1 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TONIGHT
EAST WINDS AROUND 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 6
SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF
SHOWERS, THEN A CHANCE OF SHOWERS LATE.
FRIDAY
EAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS.
SEAS 3 TO 5 FEET, BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET
IN THE AFTERNOON. WAVE DETAIL: EAST 4 FEET AT 5 SECONDS, BECOMING
EAST 5 FEET AT 5 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS.
FRIDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET, BUILDING TO
7 TO 10 FEET, OCCASIONALLY TO 13 FEET AFTER MIDNIGHT. WAVE
DETAIL: EAST 6 FEET AT 5 SECONDS, BECOMING NORTHEAST 7 FEET AT
6 SECONDS. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE EVENING.
SATURDAY
NORTH WINDS AROUND 30 KNOTS WITH GUSTS UP TO
40 KNOTS, DIMINISHING TO 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS
IN THE AFTERNOON. SEAS 7 TO 10 FEET, OCCASIONALLY TO 13 FEET,
SUBSIDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET IN THE
AFTERNOON. WAVE DETAIL: NORTHEAST 7 FEET AT 6 SECONDS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
AROUND 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 6 SECONDS.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: EAST 3 FEET AT 6 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.
MONDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
MONDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS AROUND 3 FEET.
TUESDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.
GMZ350-011930-
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT
20 NM-
138 AM CDT FRI MAY 1 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TONIGHT
EAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
5 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF
SHOWERS, THEN A CHANCE OF SHOWERS LATE.
FRIDAY
EAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST
3 FEET AT 5 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,
MAINLY IN THE MORNING.
FRIDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET, BUILDING TO 7 TO 10 FEET,
OCCASIONALLY TO 13 FEET AFTER MIDNIGHT. WAVE DETAIL: EAST 5 FEET
AT 5 SECONDS, BECOMING NORTHEAST 7 FEET AT 6 SECONDS AND SOUTH
1 FOOT AT 6 SECONDS. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN
THE EVENING.
SATURDAY
NORTH WINDS AROUND 30 KNOTS, DIMINISHING TO 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 7 TO 10 FEET, OCCASIONALLY TO
13 FEET, SUBSIDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET IN THE
AFTERNOON. WAVE DETAIL: NORTHEAST 7 FEET AT 7 SECONDS, BECOMING
NORTHEAST 7 FEET AT 8 SECONDS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
AROUND 15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET, SUBSIDING TO 3 TO 5 FEET AFTER MIDNIGHT. WAVE DETAIL:
EAST 6 FEET AT 8 SECONDS, BECOMING EAST 5 FEET AT 8 SECONDS.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: EAST 4 FEET AT 7 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO
4 FEET.
MONDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
MONDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
GMZ370-375-011930-
WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM 20 TO
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20 TO 60 NM-
138 AM CDT FRI MAY 1 2026
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
REST OF TONIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
FRIDAY
EAST WINDS AROUND 15 KNOTS, BECOMING SOUTHEAST 15 TO
20 KNOTS IN THE AFTERNOON. GUSTS UP TO 30 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
6 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
FRIDAY NIGHT
NORTHEAST WINDS AROUND 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET, BUILDING TO
8 TO 11 FEET, OCCASIONALLY TO 14 FEET AFTER MIDNIGHT. WAVE
DETAIL: EAST 6 FEET AT 5 SECONDS, BECOMING NORTHEAST 10 FEET AT
7 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS. SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
SATURDAY
NORTH WINDS AROUND 30 KNOTS WITH GUSTS UP TO
40 KNOTS. SEAS 9 TO 12 FEET, OCCASIONALLY TO 15 FEET, SUBSIDING
TO 7 TO 10 FEET, OCCASIONALLY TO 13 FEET IN THE AFTERNOON. WAVE
DETAIL: NORTHEAST 10 FEET AT 7 SECONDS.
SATURDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
30 KNOTS, DIMINISHING TO AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS AFTER MIDNIGHT. SEAS 6 TO 9 FEET, OCCASIONALLY TO
11 FEET, SUBSIDING TO 5 TO 6 FEET, OCCASIONALLY TO 8 FEET AFTER
MIDNIGHT. WAVE DETAIL: NORTHEAST 8 FEET AT 7 SECONDS, BECOMING
NORTHEAST 6 FEET AT 7 SECONDS.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST AROUND
10 KNOTS IN THE AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL:
NORTHEAST 4 FEET AT 7 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET.
MONDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
MONDAY NIGHT
SOUTH WINDS AROUND 15 KNOTS, INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS, DIMINISHING TO AROUND
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET.
TUESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page